Home / 74,045.42-111,078.66-27,294.64

Finding the Fourth Proportional to 74,045.42, 111,078.66 and 27,294.64

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Solution

The fourth proportional to 74,045.42, 111,078.66 and 27,294.64 is: 40,945.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,045.42 : 111,078.66 = 27,294.64 : x
  2. Step 2: Convert to fraction form
    74,045.42/111,078.66 = 27,294.64/x
  3. Step 3: Cross multiply
    74,045.42x = 111,078.66 × 27,294.64
  4. Step 4: Simplify right side
    74,045.42x = 3,031,852,036.38
  5. Step 5: Solve for x
    x = 3,031,852,036.38/74,045.42
  6. Step 6: Final answer
    x = 40,945.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.